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Fig. 1 | EvoDevo

Fig. 1

From: Expression of gynoecium patterning transcription factors in Aristolochia fimbriata (Aristolochiaceae) and their contribution to gynostemium development

Fig. 1

Androecium and gynoecium diversity in Aristolochiaceae. A, BSaruma henryi, top view of the flower (A) and detail of the 12 stamens in two series free from the six stigmatic lobes (B). C–EAsarum canadense;C top view of the flower with 12 stamens in two series free from the six stigmatic lobes. D Lateral view of stamens and stigmatic lobes. E Transverse section showing the twelve stamens surrounding the 6-carpellate gynoecium. F–HThottea siliquosa; F Top view of the Flower. G Detail of the 12 stamens surrounding the stigmatic lobes. H Transverse section of a preanthetic bud showing the partial fusion between the base of the stamens and stigmas. I–KAristolochia fimbriata;I young, preanthetic flower. J Detail of the gynostemium, lateral view (J). K Transverse section of the flower showing complete fusion between stamens and stigmatic lobes. L Fruit development series in Saruma henryi.M Fruit development series in Aristolochia fimbriata. dz, dehiscence zone; fw, fruit wall; o, ovule; ov, ovary; p, perianth; se, seed; st, stamens; asterisks (*) point to stigmas; black arrowheads point to anthers in transverse sections. Scale bars: 1 cm in A; 5 mm in B–D, F, G, I, J; 100 μm in E, H and K

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ISSN: 2041-9139